我国煤工尘肺是指（）。A.煤矿工人患的矽肺 B.煤肺 C.煤矽肺 _爱下问搜题

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问题单项选择题

我国煤工尘肺是指（）。

A.煤矿工人患的矽肺

B.煤肺

C.煤矽肺

D.煤肺+煤矽肺

E.煤矿工人患的矽肺+煤肺+煤矽肺

答案

参考答案：D

阅读理解

阅读理解。

                                                      NOTICE (通知)
       We will go to Green Hill for a picnic this Friday. We will start at 8 o'clock in the
morning. We will get together at 7:45 am in front of the school. Our teacher Miss Gao will
wait for us there. It will take (花费) us about two hours to get to Green Hill by bus. We
will play there for about five hours. Miss Gao will sing some songs for us there.
       All the students, twenty-three boys and eighteen girls must join (必须参加) in the
picnic. Don't be late on Friday morning! I'm sure we will have a good time!
                                                         Students' Union (学生会)
                                                          Tuesday, March 10th

1. When will the students go on a picnic?

A. On March 10th.
B. On March 11th.
C. On March 12th.
D. On March 13th.

2. Where will they meet in the morning?

A. On Green Hill.
B. In Miss Gao's home.
C. In front of the school.
D. In the classroom.

3. How will they go to Green Hill?

A. By bike
B. By bus.
C. By train.
D. By plane

4. What time will they get back from Green Hill?

A. At about 3:00 pm.
B. At about 10:00 am.
C. At about 1:00 pm.
D. At about 7:45 am.

5. How many people will go to Green Hill for the picnic?

A. Eighteen.
B. Twenty-three.
C. Forty-one.
D. Forty-two.

填空题

北豆根、山豆根的剂量是（）。